Mammoth Group

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Gold

Lat, Long: 37.25278, -120.01222



Mammoth Group MRDS details

Site Name

Commodity

Location

Primary: "Mammoth Group"
Primary: Gold
Secondary: Copper
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

Owner Name: Leonard And Sidney
Company ID:
Percent:
Home Office:
Info Year:
Years: 1907 -

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Plant Type:
Plant Subtype:
Operation Type: Unknown
Mining Method:
Milling Method:
Year First Production:
Year Last Production:
Discovery Year:
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Mineral Deposit Model

Orebody

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Physiographic Detail:


Structure

Alterations

Rocks



Analytical Data

Materials



Comments

Comment Type:
Production
Comment SOME SULFIDE ORE SHIPPED RAN 20 - 22 % CU. NO PRODUCTION REPORTED
Comment Type:
Deposit
Comment THREE STEEPLY DIPPING VEINS WITHIN ZONE 600 FT. WIDE.
Comment Type:
Workings
Comment 1908 ; EAST VEIN HAD SHAFT 80 FT. DEEP, MIDDLE VEIN HAD SHAFTS 20 AND 25 FT. DEEP, WEST VEIN HAD ONE SHAFT 50 FT. DEEP.


References

Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 229 .
URL:
Reference Category:
Deposit
Pages:
Reference: ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 268
URL:
Reference Category:
Production
Pages:
Reference: %RIC, J. H., 1948 , P. 268 (SEE REF.)
URL:

Did You Know.......

A mine is a hole in the ground, owned by a liar.
-Mark Twain

About The MRDS Mines Database

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

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